CN117417096A - Reclaimed water recycling multistage treatment device and method based on desalination technology - Google Patents
Reclaimed water recycling multistage treatment device and method based on desalination technology Download PDFInfo
- Publication number
- CN117417096A CN117417096A CN202311665688.0A CN202311665688A CN117417096A CN 117417096 A CN117417096 A CN 117417096A CN 202311665688 A CN202311665688 A CN 202311665688A CN 117417096 A CN117417096 A CN 117417096A
- Authority
- CN
- China
- Prior art keywords
- water
- reverse osmosis
- water inlet
- filter
- filter screen
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 190
- 238000010612 desalination reaction Methods 0.000 title claims abstract description 24
- 238000004064 recycling Methods 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims description 15
- 238000005516 engineering process Methods 0.000 title claims description 4
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 81
- 239000012528 membrane Substances 0.000 claims abstract description 43
- 238000004140 cleaning Methods 0.000 claims abstract description 22
- 239000012535 impurity Substances 0.000 claims abstract description 20
- 238000001914 filtration Methods 0.000 claims abstract description 18
- 238000002203 pretreatment Methods 0.000 claims abstract description 14
- 239000007788 liquid Substances 0.000 claims abstract description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 50
- 230000009471 action Effects 0.000 claims description 12
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 238000011045 prefiltration Methods 0.000 claims description 6
- 238000011001 backwashing Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 4
- 239000010865 sewage Substances 0.000 claims description 4
- 230000006978 adaptation Effects 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 abstract description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract 3
- 235000017491 Bambusa tulda Nutrition 0.000 abstract 3
- 241001330002 Bambuseae Species 0.000 abstract 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract 3
- 239000011425 bamboo Substances 0.000 abstract 3
- 238000007781 pre-processing Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
Landscapes
- Water Treatment By Sorption (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a reclaimed water recycling multistage treatment device based on a desalination process, which comprises a pretreatment component, a pre-treatment component and a reverse osmosis component, wherein the water outlet end of the pretreatment component is connected with the water inlet end of the pre-treatment component, the water outlet end of the pre-treatment component is connected with the water inlet end of the reverse osmosis component, and the pre-treatment component has self-cleaning capability and is used for filtering reclaimed water liquid flowing into the reverse osmosis component again so as to prolong the cleaning interval of a reverse osmosis membrane in the reverse osmosis component. Through the leading processing unit of filter membrane section of thick bamboo water inlet end series connection is crossed to reverse osmosis to make the impurity content that gets into reverse osmosis and cross filter membrane section of thick bamboo reduce, thereby prolong its cleaning interval, improve work efficiency, be convenient for self-cleaning's mechanism through leading processing unit, through the design mechanism that is less than reverse osmosis filter membrane section of thick bamboo cleaning degree of difficulty, thereby reduced the cleaning work degree of difficulty.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a reclaimed water recycling multistage treatment device and a treatment method based on a desalination process.
Background
The most common membrane separation technology in desalted water treatment at present is mainly reverse osmosis, and the technological process is mainly that raw water is filtered by a filter to greatly reduce turbidity, a large amount of impurities are removed, then organic polymers in the water are absorbed by active carbon, insoluble colloid is used for further removing insoluble matters in the water so as to reach the water inlet standard of reverse osmosis water, after the raw water is treated by the methods, the raw water enters a reverse osmosis device through a water inlet to be desalted, and the desalted water is discharged from the clean side of a permeable membrane.
At present, the existing reverse osmosis device is provided with an activated carbon filter in series at the water inlet end, when the filter is used, the inside activated carbon of the filter is impacted by water flow, so that the flowing water flow contains impurities such as new carbon powder and impurities which are contained in the original water flow and are not filtered out, and when the reverse osmosis device works, the water inlet end is one side end surface of a reverse osmosis membrane winding drum, due to the structural characteristics of the reverse osmosis device, the water supply flowing gap at the water inlet end is narrow, the impurities such as carbon powder and the like are very easy to cause the narrow gap to be blocked, the water treatment procedure is finally interrupted, and the filtering scale cleaning in the compact reverse osmosis device is very difficult in combination with wide practical use experience, so that the use smoothness of the reverse osmosis desalination process-based water recycling treatment device is reduced, and the work efficiency is not facilitated.
Disclosure of Invention
The invention provides a reclaimed water recycling multistage treatment device and a treatment method based on a desalination process, which are used for solving the problems.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the reclaimed water recycling multistage treatment device based on the desalination process comprises a pretreatment component, a pre-treatment component and a reverse osmosis component, wherein the water outlet end of the pretreatment component is connected with the water inlet end of the pre-treatment component, the water outlet end of the pre-treatment component is connected with the water inlet end of the reverse osmosis component, and the pre-treatment component has self-cleaning capability and is used for filtering reclaimed water liquid flowing into the reverse osmosis component again so as to prolong the cleaning interval of a reverse osmosis membrane in the reverse osmosis component;
the pretreatment assembly comprises a second buffer water storage tank, the water inlet end of the second buffer water storage tank is connected with a prefilter, the water outlet end of the second buffer water storage tank is connected with a first booster pump, the water outlet end of the first booster pump is connected with a first main pipe which is used for being connected with the pretreatment assembly, and the first main pipe is connected with a plurality of first branch pipes;
the pretreatment assembly comprises a plurality of main body square tubes, wherein both sides of each main body square tube are respectively connected with an auxiliary square tube, one side of each auxiliary square tube is provided with an end cover, one end of each auxiliary square tube is connected with a water inlet valve used for being connected with the reverse osmosis assembly, a filter screen is arranged in the middle of the inside of each main body square tube, the filter screen is obliquely arranged, the bottoms of the filter screens are close to one side of the water inlet valve, a rotary tube is respectively connected in the middle of the inside of each auxiliary square tube in a rotating way, the side face of each rotary tube is respectively connected with a flat nozzle, one end of each rotary tube penetrates through the side face of each auxiliary square tube, one end of each rotary tube is externally provided with a driven gear, the upper parts of the driven gears are respectively connected with a driving gear in a meshed mode, and the centers of the driving gears are respectively connected with a motor;
the side surfaces of the main body square pipes are respectively provided with a water inlet pipe connected with the first branch pipe, two sides of the side surfaces of the water inlet pipe are respectively connected with an electromagnetic valve, one end valve ports of the electromagnetic valves are respectively connected with a rotary joint, and one end connector of each rotary joint is correspondingly connected with one end of each rotary pipe;
the pre-treatment assembly further comprises a second booster pump, the water outlet end of the second booster pump is connected with a second buffer water storage tank, the water inlet end of the second booster pump is connected with a second main pipe which is used for being connected with a main body square pipe, the second main pipe is connected with a plurality of second branch pipes, the bottoms of the main body square pipes are connected with drain valves, and one end valve ports of the drain valves are correspondingly connected with the second branch pipes;
the reverse osmosis component comprises a plurality of reverse osmosis membrane cylinders, and the water inlet ends of the reverse osmosis membrane cylinders are respectively connected with one valve port of the water inlet valve.
As a preferable scheme of the invention, the prefilter comprises a first buffer water storage tank, a multi-medium filter and an activated carbon filter, wherein the water outlet end of the first buffer water storage tank is connected with the water inlet end of the multi-medium filter, the water outlet end of the multi-medium filter is connected with the water inlet end of the activated carbon filter, and the water outlet end of the activated carbon filter is connected with the water inlet end of the second buffer water storage tank.
As the preferable scheme of the invention, the top and the bottom of the filter screen are respectively provided with a supporting frame used for clamping the filter screen, and the inner walls of the two sides of the main square tube are respectively provided with a supporting slope matched with the inclined state of the filter screen, wherein the bottom of the supporting frame is abutted to the top of the supporting slope.
As the preferable scheme of the invention, the top of the main square tube is provided with the top cover, both sides of the bottom of the top cover are provided with the pressing arms, the bottom of the pressing arms is provided with the slope which is matched with the inclined state of the filter screen, and the bottom of the slope is abutted to the top of the supporting frame.
As a preferable scheme of the invention, the bottom of the motor is correspondingly arranged at the top of the auxiliary square tube.
As a preferable scheme of the invention, the reverse osmosis assembly further comprises a third main pipe which is used for being connected with the water outlet end of the reverse osmosis membrane cylinder, the third main pipe is connected with a plurality of third branch pipes, and the water outlet end of the reverse osmosis membrane cylinder is correspondingly connected with the third branch pipes.
As a preferred scheme of the invention, the reverse osmosis component further comprises a bracket, and the bracket is used for supporting and fixing the reverse osmosis filtering membrane cylinder.
The treatment method of the reclaimed water recycling multi-stage treatment device based on the desalination process comprises the following steps:
firstly, pumping water to be treated into a first buffer water storage tank for buffer temporary storage, filtering solid impurities sequentially through a multi-medium filter and an activated carbon filter, and finally entering a second buffer water storage tank for buffer temporary storage;
under the action of a first booster pump, temporarily storing water to be treated in a second buffer water storage tank is pumped into a water inlet pipe through a first main pipe and a first branch pipe, an electromagnetic valve close to one side of an end cover is controlled to be opened, water enters into a secondary pipe on the side, the secondary pipe is filtered by a filter screen under the action of pressure to remove carbon powder impurities flowing out after being filtered by an active carbon filter, the filtered water is subjected to filtration treatment of a reverse osmosis desalination process through a reverse osmosis membrane cylinder, and then is collected and discharged through a third branch pipe and a third main pipe and flows to recycling equipment, so that a reclaimed water recycling multi-stage treatment process based on the desalination process is completed;
step three, confirming a filter screen to be cleaned, closing a corresponding water inlet valve, opening a corresponding blow-down valve, and enabling a rotary pipe working in the step two to rotate through the action of a corresponding motor, so that a flat nozzle swings up and down, and the sprayed water flow sweeps one side of the filter screen, so that carbon powder impurities intercepted by the surface part of the filter screen are scoured and separated;
and fourthly, closing the side electromagnetic valve and the motor, and correspondingly opening the electromagnetic valve and the motor at the other side, so that water sprayed out from the side sweeps the other side of the filter screen, further realizing backwashing of the filter screen, finally realizing the purpose of prolonging the cleaning interval of the reverse osmosis filter membrane cylinder, and returning the cleaned sewage to the second buffer water storage tank under the action of the second booster pump.
According to the invention, the pre-treatment component is connected in series between the reverse osmosis membrane cartridge and the activated carbon filter, so that the impurity content entering the reverse osmosis membrane cartridge is reduced, the cleaning interval of the reverse osmosis membrane cartridge is prolonged, the working difficulty is reduced, and the working efficiency is improved.
According to the invention, the flat nozzle swings up and down through the rotation of the rotary pipe, the sprayed water flow sweeps one side of the filter screen, so that the carbon powder impurities intercepted by the surface part of the filter screen are scoured and separated, the electromagnetic valve and the motor on the side are closed, and the electromagnetic valve and the motor on the other side are correspondingly opened, so that the water flow ejected from the side sweeps the other side of the filter screen, the backwashing of the filter screen is further realized, the self-cleaning purpose of the pre-treatment assembly is realized, and the working efficiency is improved by designing a mechanism which is less than the cleaning difficulty of the reverse osmosis filter membrane cylinder.
According to the invention, through the special design of the body position of the filter screen and the cooperation of the pressing arm, the supporting frame and the supporting slope, on one hand, the front filtering area can be increased, the whole working efficiency is maintained, and on the other hand, the implementation of a self-cleaning mechanism of the filter screen is facilitated.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
FIG. 3 is another schematic view of the structure of FIG. 1;
FIG. 4 is a schematic illustration of the connection of a pre-treatment module of the present invention to a reverse osmosis membrane cartridge;
FIG. 5 is another schematic view of the structure of FIG. 4;
FIG. 6 is a schematic view of a pre-processing assembly according to the present invention;
FIG. 7 is an exploded view of the pre-processing assembly of the present invention;
FIG. 8 is another schematic view of the structure of FIG. 7;
fig. 9 is a schematic view showing the internal structure of the main body square tube according to the present invention.
Wherein, 1, a pretreatment component; 101. a first buffer water storage tank; 102. a multi-media filter; 103. an activated carbon filter; 104. a second buffer water storage tank; 105. a first booster pump; 106. a first manifold; 107. a first branch pipe; 2. a pre-processing assembly; 201. a main body square tube; 202. an auxiliary square tube; 203. a rotary pipe; 204. a flat nozzle; 205. a filter screen; 206. a support frame; 207. a support ramp; 208. a top cover; 209. pressing down the arm; 210. an end cap; 211. a motor; 212. a drive gear; 213. a driven gear; 214. a water inlet pipe; 215. an electromagnetic valve; 216. a rotary joint; 217. a water inlet valve; 218. a blow-down valve; 219. a second branch pipe; 220. a second manifold; 221. a second booster pump; 3. a reverse osmosis module; 301. reverse osmosis through a filter membrane cartridge; 302. a bracket; 303. a third branch pipe; 304. and a third manifold.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples
As shown in fig. 1-3, the embodiment of the invention provides a reclaimed water recycling multistage treatment device based on a desalination process, which comprises a pretreatment component 1, a pretreatment component 2 and a reverse osmosis component 3, wherein the water outlet end of the pretreatment component 1 is connected with the water inlet end of the pretreatment component 2, the water outlet end of the pretreatment component 2 is connected with the water inlet end of the reverse osmosis component 3, and the pretreatment component 2 has self-cleaning capability and is used for filtering reclaimed water liquid flowing into the reverse osmosis component 3 again so as to prolong the cleaning interval of reverse osmosis membranes in the reverse osmosis component 3.
At present, the existing reverse osmosis filtration membrane cylinder 301 is mostly connected with an activated carbon filter 103 in series at the water inlet end, when the filter is used, the inside activated carbon of the filter is easy to cause the effluent water flow to contain impurities such as new carbon powder and the impurities which are contained in the original water which are not filtered out under the impact of water flow, and when the reverse osmosis filtration membrane cylinder 301 works, the water inlet end is one side end surface of a reverse osmosis membrane drum, due to the structural characteristics of the reverse osmosis filtration membrane cylinder 301, the gap of water supply flowing at the water inlet end is narrow, and the impurities such as the contained carbon powder are extremely easy to cause the narrow gap to be blocked, finally, the water treatment procedure is interrupted, and the scale filtration in the reverse osmosis filtration membrane cylinder 301 is difficult to clean by combining with wide practical use experience.
Specifically, in this embodiment, referring again to fig. 1-3, the pretreatment module 1 includes a second buffer water storage tank 104, the water inlet end of the second buffer water storage tank 104 is connected to the prefilter device, the water outlet end of the second buffer water storage tank 104 is connected to a first booster pump 105, the water outlet end of the first booster pump 105 is connected to a first manifold 106 serving as a connection to the pretreatment module 2, and the first manifold 106 is connected to a plurality of first branch pipes 107.
In this embodiment, referring to fig. 4 to 6, the pre-treatment assembly 2 includes a plurality of main body square tubes 201, two sides of the main body square tubes 201 are connected with auxiliary square tubes 202, one end of one side auxiliary square tube 202 is provided with an end cover 210, one end of the other side auxiliary square tube 202 is connected with a water inlet valve 217 connected with the reverse osmosis assembly 3, referring to fig. 7 to 9, the middle inside of the main body square tubes 201 is provided with a filter screen 205, the filter screen 205 is obliquely arranged and the bottom of the filter screen is close to one side of the water inlet valve 217, the middle inside of the auxiliary square tubes 202 is rotationally connected with a rotary tube 203, the side surfaces of the rotary tube 203 are connected with flat nozzle 204, referring to fig. 4 to 6 again, one end of the rotary tube 203 penetrates through the side surfaces of the auxiliary square tubes 202, one end of the rotary tube 203 is externally provided with a driven gear 213, the upper side of the driven gear 213 is in mesh connection with a driving gear 212, the center of the driving gear 212 is connected with a motor 211, and the bottom of the motor 211 is correspondingly arranged at the top of the auxiliary square tubes 202.
In this embodiment, referring again to fig. 4-6, the side of the main square tube 201 is provided with a water inlet tube 214 connected with the first branch tube 107, two sides of the side of the water inlet tube 214 are connected with electromagnetic valves 215, one end valve port of each electromagnetic valve 215 is connected with a rotary joint 216, and one end interface of the rotary joint 216 is correspondingly connected with one end of the rotary tube 203.
The motor 211 drives the rotary tube 203 to repeatedly rotate, so that the flat nozzle 204 swings up and down, the sprayed water flows sweep one side of the filter screen 205, carbon powder impurities intercepted by the surface part of the flat nozzle are flushed and separated, the side electromagnetic valve 215 and the motor 211 are closed, the other side electromagnetic valve 215 and the motor 211 are correspondingly opened, the sprayed water flows sweep the other side of the filter screen 205, backwashing of the filter screen 205 is further realized, and finally the aim of prolonging the cleaning interval of the reverse osmosis filter membrane cylinder 301 is fulfilled.
In this embodiment, referring again to fig. 1-3, the pre-processing assembly 2 further includes a second booster pump 221, the water outlet end of the second booster pump 221 is connected to the second buffer water storage tank 104, the water inlet end of the second booster pump 221 is connected to a second main pipe 220 serving as a connection to the main body square pipe 201, the second main pipe 220 is connected to a plurality of second branch pipes 219, the bottoms of the main body square pipes 201 are connected to drain valves 218, and one end valve ports of the drain valves 218 are correspondingly connected to the second branch pipes 219.
The purpose of the structure is to guide the cleaned waste liquid into the pipeline for reclaimed water treatment again so as to filter again and improve the treatment efficiency.
In this embodiment, referring again to FIGS. 1-3, the reverse osmosis module 3 includes a plurality of reverse osmosis membrane cartridges 301, with the water inlet ends of the reverse osmosis membrane cartridges 301 respectively connected to one end port of the inlet valve 217.
The prefilter includes first buffering water storage tank 101, multi-media filter 102 and active carbon filter 103, and the water inlet end of multi-media filter 102 is connected to the play water end of first buffering water storage tank 101, and the water inlet end of active carbon filter 103 is connected to the play water end of multi-media filter 102, and the water inlet end of second buffering water storage tank 104 is connected to the play water end of active carbon filter 103, and in this embodiment, above-mentioned treatment facility all adopts current ripe technical equipment, so no more description here.
Referring specifically to fig. 7-9, the top and bottom of the filter screen 205 are provided with supporting frames 206 for clamping the filter screen 205, and the inner walls of the two sides of the main square tube 201 are provided with supporting slopes 207 adapted to the inclined state of the filter screen 205, wherein the bottom of the bottom supporting frame 206 abuts against the top of the supporting slopes 207.
Top cap 208 is installed at the top of main part side pipe 201, and push down arm 209 is all installed to top cap 208's bottom both sides, and push down the bottom of arm 209 be provided with the slope of filter screen 205 inclination state adaptation, the bottom of slope is contradicted at the top of top braced frame 206.
The inclined filter screen 205 design can increase the filtering area on one hand and facilitate the implementation of a self-cleaning mechanism of the filter screen 205 on the other hand.
The reverse osmosis module 3 further comprises a third header pipe 304 for connection with the water outlet end of the reverse osmosis membrane cartridge 301, the third header pipe 304 is connected with a plurality of third branch pipes 303, the water outlet end of the reverse osmosis membrane cartridge 301 is correspondingly connected with the third branch pipes 303, and the reverse osmosis module 3 further comprises a bracket 302, and the bracket 302 is used for supporting and fixing the reverse osmosis membrane cartridge 301.
The treatment method of the reclaimed water recycling multi-stage treatment device based on the desalination process comprises the following steps:
step one, pumping water to be treated into a first buffer water storage tank 101 for buffer temporary storage, filtering solid impurities sequentially through a multi-medium filter 102 and an activated carbon filter 103, and finally entering a second buffer water storage tank 104 for buffer temporary storage.
Step two, under the action of the first booster pump 105, the temporary storage water in the second buffer water storage tank 104 is pumped into the water inlet pipe 214 through the first main pipe 106 and the first branch pipe 107, the electromagnetic valve 215 close to one side of the end cover 210 is controlled to be opened, then the water enters the secondary square pipe 202 at the side, and is filtered by the filter screen 205 under the action of pressure to remove carbon powder impurities flowing out after being filtered by the activated carbon filter 103, the filtered water is filtered by the reverse osmosis filter membrane cylinder 301 by the reverse osmosis desalination process, and then is collected and discharged through the third branch pipe 303 and the third main pipe 304 and flows to the recycling equipment, so that the reclaimed water recycling multi-stage treatment process based on the desalination process is completed.
Step three, confirming the filter screen 205 to be cleaned, closing the corresponding water inlet valve 217, opening the corresponding drain valve 218, and rotating the rotary pipe 203 operated in step two through the action of the corresponding motor 211, so that the flat nozzle 204 swings up and down, and the sprayed water flows to sweep one side of the filter screen 205, thereby flushing and separating the carbon powder impurities intercepted by the surface part of the filter screen.
And step four, closing the side electromagnetic valve 215 and the motor 211, and correspondingly opening the other side electromagnetic valve 215 and the motor 211, so that water sprayed from the side sweeps the other side of the filter screen 205, further realizing backwashing of the filter screen 205, finally realizing the purpose of prolonging the cleaning interval of the reverse osmosis filter membrane cylinder 301, and returning the cleaned sewage to the second buffer water storage tank 104 under the action of the second booster pump 221.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. Reclaimed water recycling multistage treatment device based on desalination technology, including pretreatment module (1), pretreatment module (2) and reverse osmosis module (3), its characterized in that: the water outlet end of the pretreatment component (1) is connected with the water inlet end of the pretreatment component (2), the water outlet end of the pretreatment component (2) is connected with the water inlet end of the reverse osmosis component (3), and the pretreatment component (2) has self-cleaning capability and is used for filtering reclaimed water liquid flowing into the reverse osmosis component (3) again so as to prolong the cleaning interval of reverse osmosis membranes in the reverse osmosis component (3);
the pretreatment assembly (1) comprises a second buffer water storage tank (104), wherein the water inlet end of the second buffer water storage tank (104) is connected with a prefilter, the water outlet end of the second buffer water storage tank (104) is connected with a first booster pump (105), the water outlet end of the first booster pump (105) is connected with a first main pipe (106) which is used for being connected with the pretreatment assembly (2), and the first main pipe (106) is connected with a plurality of first branch pipes (107);
the pretreatment assembly (2) comprises a plurality of main body square tubes (201), wherein two sides of each main body square tube (201) are respectively connected with an auxiliary square tube (202), one side of each auxiliary square tube (202) is provided with an end cover (210), the other side of each auxiliary square tube (202) is provided with a water inlet valve (217) connected with a reverse osmosis assembly (3), a filter screen (205) is respectively arranged in the middle of the inside of each main body square tube (201), the filter screen (205) is obliquely arranged, the bottoms of the filter screens are close to one side of the water inlet valve (217), a rotary tube (203) is respectively connected in the middle of the inside of each auxiliary square tube (202) in a rotary mode, the side faces of each rotary tube (203) are respectively connected with a flat nozzle (204), one end of each rotary tube (203) respectively penetrates through the side faces of the auxiliary square tubes (202), one end of each rotary tube (203) is respectively provided with a driven gear (213), the upper parts of the driven gears (213) are respectively meshed with a driving gear (212), and the centers of the driving gears (212) are respectively connected with a motor (211).
The side of the main body square tube (201) is provided with a water inlet tube (214) connected with the first branch tube (107), two sides of the side of the water inlet tube (214) are connected with electromagnetic valves (215), one end valve ports of the electromagnetic valves (215) are connected with rotary joints (216), and one end interfaces of the rotary joints (216) are correspondingly connected with one ends of the rotary tubes (203);
the pre-treatment assembly (2) further comprises a second booster pump (221), the water outlet end of the second booster pump (221) is connected with a second buffer water storage tank (104), the water inlet end of the second booster pump (221) is connected with a second main pipe (220) which is used for being connected with a main body square pipe (201), the second main pipe (220) is connected with a plurality of second branch pipes (219), the bottoms of the main body square pipes (201) are respectively connected with a blow-down valve (218), and one end valve ports of the blow-down valves (218) are correspondingly connected with the second branch pipes (219);
the reverse osmosis assembly (3) comprises a plurality of reverse osmosis filter membrane cylinders (301), and water inlet ends of the reverse osmosis filter membrane cylinders (301) are respectively connected with one end valve port of the water inlet valve (217) correspondingly.
2. The reclaimed water reuse multistage treatment device based on the desalination process according to claim 1, wherein: the prefilter comprises a first buffer water storage tank (101), a multi-medium filter (102) and an activated carbon filter (103), wherein the water outlet end of the first buffer water storage tank (101) is connected with the water inlet end of the multi-medium filter (102), the water outlet end of the multi-medium filter (102) is connected with the water inlet end of the activated carbon filter (103), and the water outlet end of the activated carbon filter (103) is connected with the water inlet end of a second buffer water storage tank (104).
3. The reclaimed water reuse multistage treatment device based on the desalination process according to claim 1, wherein: the top and the bottom of filter screen (205) all are equipped with braced frame (206) that are used for centre gripping filter screen (205), the both sides inner wall of main part side pipe (201) all is equipped with support slope (207) with filter screen (205) incline state adaptation, wherein, the bottom braced frame (206) bottom is contradicted at the top of support slope (207).
4. The reclaimed water reuse multistage treatment device based on the desalination process according to claim 3, wherein: top cap (208) are installed at the top of main part side pipe (201), push down arm (209) are all installed to the bottom both sides of top cap (208), the bottom of push down arm (209) is provided with the slope with filter screen (205) inclination adaptation, and the bottom on slope is contradicted at the top braced frame (206).
5. The reclaimed water reuse multistage treatment device based on the desalination process according to claim 1, wherein: the bottom of the motor (211) is correspondingly arranged at the top of the secondary square pipe (202).
6. The reclaimed water reuse multistage treatment device based on the desalination process according to claim 1, wherein: the reverse osmosis assembly (3) further comprises a third main pipe (304) used for being connected with the water outlet end of the reverse osmosis membrane cylinder (301), the third main pipe (304) is connected with a plurality of third branch pipes (303), and the water outlet end of the reverse osmosis membrane cylinder (301) is correspondingly connected with the third branch pipes (303).
7. The reclaimed water reuse multistage treatment device based on the desalination process according to claim 1, wherein: the reverse osmosis assembly (3) further comprises a bracket (302), and the bracket (302) is used for supporting and fixing the reverse osmosis filtering membrane cylinder (301).
8. The treatment method of the reclaimed water recycling multi-stage treatment device based on the desalination process is characterized by comprising the following steps of: the method comprises the following steps:
firstly, pumping water to be treated into a first buffer water storage tank (101) for buffer temporary storage, filtering solid impurities sequentially through a multi-medium filter (102) and an active carbon filter (103), and finally entering a second buffer water storage tank (104) for buffer temporary storage;
step two, under the action of a first booster pump (105), temporarily storing water to be treated in a second buffer water storage tank (104) is pumped into a water inlet pipe (214) through a first main pipe (106) and a first branch pipe (107), an electromagnetic valve (215) close to one side of an end cover (210) is controlled to be opened, water enters a secondary square pipe (202) at the side, and is filtered by a filter screen (205) under the action of pressure to remove carbon powder impurities flowing out after being filtered by an activated carbon filter (103), the filtered water is filtered by a reverse osmosis desalination process through a reverse osmosis membrane cylinder (301), and is then discharged in a converging way through a third branch pipe (303) and a third main pipe (304) and flows to a recycling device, so that a water recycling multi-stage treatment process based on the desalination process is completed;
step three, confirming a filter screen (205) to be cleaned, closing a corresponding water inlet valve (217), opening a corresponding blow-down valve (218), and enabling a rotary pipe (203) working in the step two to rotate through the action of a corresponding motor (211), so that a flat nozzle (204) swings up and down, and the sprayed water flow sweeps one side of the filter screen (205), so that carbon powder impurities intercepted by the surface part of the filter screen are scoured and separated;
and step four, closing the side electromagnetic valve (215) and the motor (211), and correspondingly opening the electromagnetic valve (215) and the motor (211) at the other side at the same time, so that water sprayed out from the side sweeps the other side of the filter screen (205), further realizing backwashing of the filter screen (205), finally realizing the purpose of prolonging the cleaning interval of the reverse osmosis filter membrane cylinder (301), and returning the cleaned sewage to the second buffer water storage tank (104) under the action of the second booster pump (221).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311665688.0A CN117417096A (en) | 2023-12-07 | 2023-12-07 | Reclaimed water recycling multistage treatment device and method based on desalination technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311665688.0A CN117417096A (en) | 2023-12-07 | 2023-12-07 | Reclaimed water recycling multistage treatment device and method based on desalination technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117417096A true CN117417096A (en) | 2024-01-19 |
Family
ID=89526869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311665688.0A Pending CN117417096A (en) | 2023-12-07 | 2023-12-07 | Reclaimed water recycling multistage treatment device and method based on desalination technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117417096A (en) |
-
2023
- 2023-12-07 CN CN202311665688.0A patent/CN117417096A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101039739B (en) | Methods and apparatus for removing solids from a membrane module | |
| CN1551796A (en) | Method of cleaning membrane modules | |
| CN110713279B (en) | Seawater desalination water treatment device | |
| CN113149292A (en) | Environment-friendly water circulation system of developing device of plate developing machine | |
| CN214261409U (en) | Cleaning treatment system for membrane module | |
| CN112499929A (en) | Extrusion dewatering equipment | |
| CN117417096A (en) | Reclaimed water recycling multistage treatment device and method based on desalination technology | |
| CN116655054A (en) | Ultrafiltration membrane sewage treatment equipment and sewage treatment method | |
| CN112619238B (en) | Stainless steel precise filtering device with multi-mode back washing structure and control method | |
| CN212669370U (en) | Waste water recovery processing apparatus of furfural production | |
| CN109331664B (en) | Ultrafiltration membrane flushing device and method | |
| JPH07251041A (en) | Membrane separation apparatus and washing method therefor | |
| CN111644069A (en) | Efficient backwashing intelligent filter and backwashing method thereof | |
| CN219355411U (en) | Chemical waste residue filtering and deslagging mechanism | |
| CN213555639U (en) | Electric drive back flush filter | |
| CN219469868U (en) | Advanced treatment and recycling device for oil recovery recharging water | |
| CN216808371U (en) | Rainwater cuts dirty device based on membrane separation technique | |
| CN220495751U (en) | Automatic back flush filter | |
| CN218146278U (en) | Denitrification deep bed filter | |
| CN218011482U (en) | Rotary drum device for treating gas washing sewage | |
| CN219652719U (en) | Water purifying filter element | |
| CN218290670U (en) | Sewage treatment device | |
| CN221217537U (en) | Pipeline type multi-stage filtering water purifier | |
| CN220715046U (en) | Water purification equipment convenient to filter | |
| CN215195838U (en) | Industrial wastewater treatment device for preventing sludge accumulation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |